Full Details from Amazon.com : http://www.amazon.com/gp/product/B005VULSXM?tag=onigi-20
MSI 990XA-GD55 AM3 DDR3 SATA 6Gb/s USB 3.0 ATX AMD Motherboard
CPU Socket AM3AM3 Support 64bit AMD FX Phenom II X6X4X3X2 Athlon II X4X3X2 Sempron Processors Support HyperTransport 30 FSB upto 5200MTs
Chipset AMD 990X SB950 Chipset
Memory 4x 240pin DDR3-2133OC1866160013331066800 DIMMs Dual Channel Unbuffered Max Capacity up to 32GB
Slots 2x PCI-Express 20 x16 SlotsSupport CrossFireX SLI 4x PCI-Express 20 x1 Slots 1x 33V5V PCI Slot
SATA 6x SATA3 Ports Support RAID 0 1 5 10
Audio Realtek ALC892 Flexible 8-Channel Audio CODEC w jack sensing Support True Blu-ray Audio